Electrons and Orbitals

Question 1

How many electrons can an f sublevel accomodate?

Accepted Answer

14

Question 2

How many spin states can an electron have?

Accepted Answer

2

Question 3

The orbital pictured is:

Accepted Answer

a d orbital

Question 4

A 2s and a 3s orbital are different how?

Accepted Answer

They are at different energy levels

Question 5

Which of these is violating the Pauli exclusion principle?

Accepted Answer

C

Question 6

If the s and p orbitals of the highest energy level of an atom are full, then...

Accepted Answer

the atom has a full octet

Question 7

The principal quantum number (n) for one electron is 4 and another is 2, this means:

Accepted Answer

n=4 has more energy than n=2

Question 8

How many electrons are in the highest energy level of Krypton (#36)?

Accepted Answer

8

Question 9

How many orbitals are there in a p sublevel?

Accepted Answer

3

Question 10

p orbitals are shaped like:

Accepted Answer

dumbbells

Question 11

"Electrons must fill lowest energy orbitals first" is a statement of which of these?

Accepted Answer

Aufbau Principle

Question 12

The element with electron configuration 1s2 2s2 2p6 3s2 3p5 is:

Accepted Answer

Cl (#17)

Question 13

Which quantum number indicates the shape of the orbital?

Accepted Answer

Azimuthal

Question 14

Which of the following configurations follows the Aufbau principle?

Accepted Answer

1s 2s 2p 3s 3p 4s 3d 4p 5s

Question 15

How many electrons can be found when n=3?

Accepted Answer

18

Question 16

Which of the following is a violation of the “spin-parallel” part of Hund’s rule?

Accepted Answer

A

Question 17

The number of sublevels within an energy level is equal to the value of the:

Accepted Answer

principal quantum number.

Question 18

How many electrons are needed to fill the 5d sublevel?

Accepted Answer

10

Question 19

Which of these values can the azimuthal (angular momentum) quantum number have when n = 3?

Accepted Answer

0, 1, 2

Question 20

The principal quantum number indicates:

Accepted Answer

The energy level

Question 21

What element is represented here?

Accepted Answer

S

Question 22

Which of the following sublevels is impossible?

Accepted Answer

2d

Question 23

How many orbitals are in the third energy level?

Accepted Answer

9

Question 24

According to the quantum theory of an atom, in an orbital:

Accepted Answer

an electron's position cannot be known precisely.

Electrons and Orbitals

Questions 24

Electrons and Orbitals

Questions 24